Step 3: Distribute executable Jar.
1. Give Jar, so user can run in system.
2. Give source, so user can build his own jar.
3. Provide Java Webstart using JNLP. (We need to have server instance to run this.)
4. Convert jar to .exe and provide. (still issues with viruses)

For Users:

Step 1: Check java version in system.

Step 2: If system dont have required version, update to required version using sun site.